Benefits&colon; 1&period;International Certificates & Standards &semi;2&period;Designed for district heating system &comma; heat transfer piping &comma; oil pipelines and gas industry application &semi;3&period;Same lifetime as the pipeline system &semi;4&period;Maintenance-free &comma; no adjustment or lubrication with no running costs &semi;5&period;Bi-Directional valve&period;Company Profile Zhejiang MingTai Valve Co&period;&comma; Ltd locates at Oubei Town&comma; which is the Chinese hometown of Pump & Valves&period; Set up in 2000&comma; we now have almost 300 employees&period; We are a professional company which intergrades with scientific researching&comma; manufacturing&comma; and selling of fully welded ball valves and forged steel valves &lpar;gate &sol; globe &sol; check &sol;ball valves&rpar;&period;